
Rear Admiral Karl Rudolf Brommy was a German naval officer who helped establish the first unified German fleet, the Reichsflotte, during the First Schleswig War which broke out just before the Revolutions of 1848 in the German states.

Giorgos Kalafatis was a Greek football pioneer, player, coach, track and field athlete and the founder of Panathinaikos football club.

Andreas A. Miaoulis was a Greek naval officer, hailing from the historic Hydriot Miaoulis family. He was the son of Antonios Miaoulis and relative of Andreas Miaoulis, the Greek navy's chief admiral during the Greek War of Independence.

Athanasios Miaoulis was a Greek military officer and Prime Minister of Greece. Born in Hydra in 1815 the son of the famous Greek admiral Andreas Miaoulis, from whom he learned his navigation skills.
Dimitrios D. Miaoulis was a Greek naval officer. He was the son of Dimitrios Miaoulis and grandson of Andreas Miaoulis, the Greek navy's chief commander during the Greek War of Independence.

Aristeidis Moraitinis DSO was a pioneer Greek military aviator of the early 20th century. During the Balkan Wars (1912–1913) he performed together with Michael Moutoussis the first naval air mission in history, while in the following World War I, he became Greece's only ace with nine aerial victories in total.
Pantelis Pantelidis was a Greek singer, songwriter and lyricist. He died on 18 February 2016 in a car crash.
Dimitrios Papanikolis (1790–1855) was a naval hero of the Greek Revolution, famous for being the first to successfully employ a fireship to destroy an Ottoman ship of the line.

Nikolaos Roussen was a Greek naval officer who distinguished himself during World War II. He served in the two most successful Greek submarines of the war as executive officer and captain. He died during the suppression of the Navy mutiny in April 1944.